[Assessment of biological risk of blood transmission among health workers at a Bari university hospital]. / Valutazione del rischio biologico a trasmissione ematica negli operatori di una Azienda Ospedaliera-Universitaria di Bari.

We have examined all occupational exposures to biological materials, occurred from September 2001 to December 2002, among health workers of Bari polyclinic. The reported exposures, through an appropriate questionnaire expressly predisposed, have been a total of 114. The nurses were the most exposed category (46.5%) followed by physicians (27.2%). The highest load of accidents happened in surgical area (53%) and at a greater extent after the first three hours of the work shift (60%). The instruments that have caused endermic lesions have been more frequently the hollow bone needles (53.2%). The serology for HBV, HCV, and HIV of source-patients was known in the 87.8% of cases: 13 patients were positive for HCV, 1 for HIV and 2 were HbsAg positive. All injured workers were submitted to serological screening for HBV, HCV, HIV; for nobody of them seroconversions were observed.